What is the perimeter of a square given the length of the diagonal which equals 20 inches.?

Science & Mathematics by Anonymous 2018-06-09 00:32:44

Social Science

5 answers

Anonymous

20² = x² + x² 400 = 2x² x² = 200 x = 10 √2 Perimeter = 40√2 inches
Anonymous

s = side = 20/√2 = 10√2 in Perimeter = 40√2 in ≈ 56.57 in
Anonymous

The side of a square whose diagonal equals 20 inches: 20 = a × √2 a = 20 / 1.41421... = 14.1421 inches (to 4 decimals) The perimeter of a square whose diagonal equals 20 inches: 56.5685 inches
Anonymous

500'
Anonymous

40*sqrt(2) =~ 56.568542494923801952067548968388